1165762720 has 48 divisors (see below), whose sum is σ = 2756164320. Its totient is φ = 465958144.

The previous prime is 1165762711. The next prime is 1165762747. The reversal of 1165762720 is 272675611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165762720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391959 + ... + 394921.

It is an arithmetic number, because the mean of its divisors is an integer number (57420090).

Almost surely, 2^1165762720 is an apocalyptic number.

1165762720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165762720 is an abundant number, since it is smaller than the sum of its proper divisors (1590401600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165762720 is a wasteful number, since it uses less digits than its factorization.

1165762720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1165762720 is about 34143.2675647777. The cubic root of 1165762720 is about 1052.4546411583.

The spelling of 1165762720 in words is "one billion, one hundred sixty-five million, seven hundred sixty-two thousand, seven hundred twenty".